refactor(mobile): more repositories (#12879)

* ExifInfoRepository
 * ActivityApiRepository
 * initial AssetApiRepository

mobile/lib/repositories/exif_info.repository.dart

@@ -0,0 +1,28 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/entities/exif_info.entity.dart';
+import 'package:immich_mobile/interfaces/exif_info.interface.dart';
+import 'package:immich_mobile/providers/db.provider.dart';
+import 'package:isar/isar.dart';
+
+final exifInfoRepositoryProvider =
+    Provider((ref) => ExifInfoRepository(ref.watch(dbProvider)));
+
+class ExifInfoRepository implements IExifInfoRepository {
+  final Isar _db;
+
+  ExifInfoRepository(
+    this._db,
+  );
+
+  @override
+  Future<void> delete(int id) => _db.exifInfos.delete(id);
+
+  @override
+  Future<ExifInfo?> get(int id) => _db.exifInfos.get(id);
+
+  @override
+  Future<ExifInfo> update(ExifInfo exifInfo) async {
+    await _db.writeTxn(() => _db.exifInfos.put(exifInfo));
+    return exifInfo;
+  }
+}